用溶胶-凝胶方法以正硅酸乙酯、硼酸、乙醇钠为先驱体,盐酸为催化剂合成了钠硼硅玻璃,该均质基玻璃的化学组成为:5.74Na2O-21.38B2O3-72.88SiO2 (NBS).用氩离子激光器488 nm为激发光源,硅探测器检测可见光,对制备的玻璃进行了发射光谱检测,在可见光区域发现了非常强的发光,呈现强的、宽的发射带510nm~780nm,峰值位置位于541 nm和615 nm.简要讨论了发射光谱的特性和结构的起因.
参考文献
[1] | Mackenzie J D .[J].Journal of Non-Crystalline Solids,1988,100:162. |
[2] | Klien L C;Sakka S.Fibres from Sol-GelProcess[M].Park Ridge: N.J.USA Noyes Publications,2000:140. |
[3] | Chang J H;Yasumori A;Kawazoe H;Yamane M .[J].Journal of Non-Crystalline Solids,1990,121:177. |
[4] | Xiang W D .Sol-Gel Preparation of Third Order Nonlinear Optical Glasses[D].杭州:浙江大学,1995. |
[5] | Hoof G W T et al.[J].Applied Physics Letters,1992,61:2344. |
[6] | Shimizu T;Iwayama et al.[J].Journal of Applied Physics,1994,75:7779. |
[7] | Kanimitsu Y et al.[J].Physical Review B,1993,48:4883. |
[8] | Itoh C;Suzuki T;Itoh N .[J].Physical Review B,1990,41:3794. |
[9] | Hinic I I;Stanic G M;Popoviv Z V .[J].Journal of Sol-Gel Science and Technology,1999,14:281. |
[10] | Ayers MR;Hunt AJ .Visibly photoluminescent silica aerogels[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,1997(2/3):229-235. |
[11] | Sakurai Y et al.[J].Journal of Applied Physics,1999,86:370. |
[12] | Nishikawa H.;Ito D.;Sakurai Y.;Nagasawa K.;Ohki Y.;Watanabe E. .VISIBLE PHOTOLUMINESCENCE FROM SI CLUSTERS IN GAMMA-IRRADIATED AMORPHOUS SIO2[J].Journal of Applied Physics,1996(6):3513-3517. |
[13] | Griscom D L;Friebele E J .[J].Physical Review B,1986,39:7524. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%